眼子菜(别名水上漂),是多年生恶性杂草,在全国各地水田分布普遍。它不仅同水稻争肥、争水,而且叶片密集地浮在水面,降低水温和地温,导致插秧后稻苗生长迟缓,叶黄茎细,稻株矮小,分蘗率低,一般减产20—30％,重者可达60—70％。人工除草不易除净,一般药剂也不能根治。我场从1981年开始大面积施用25％西草净可湿性粉,防治眼子菜和牛毛草效果可达100％,且对稗 Ocimum vegetables (alias water floating), is a perennial vicious weed, widespread in paddy fields throughout the country. It is not only competing with rice, water, and leaves floating densely on the water, reducing water temperature and ground temperature, resulting in rice seedlings after planting slow growth, leaf yellow stem thin rice plant short, low tillering rate, the general reduction of 20-30% , Heavy up to 60-70%. Artificial weeding is not easy to clean the net, the general agent can not cure. My field since 1981, large-scale application of 25% of the West grass net wettable powder, prevention and treatment of eye peach and Mao Mao grass up to 100%, and the barnyardgrass